To provide an image projection device with which it is possible to effectively suppress the temperature rise of an image irradiation unit due to external light and secure visibility when using polarizing sunglasses or the like.SOLUTION: Provided is an image projection device (100) that projects a projection image to a display unit in order to display a virtual image. The image projection device (100) comprises an image irradiation unit (11) that irradiates image light, and an irradiation optical unit (20) that irradiates image light as a projection image in the viewpoint direction via the display unit. The irradiation optical unit (20) is provided with a polarization unit (16) that passes light in the prescribed polarization direction of image light through, the image light irradiated from the irradiation optical unit (20) including P-polarized light for the display unit.SELECTED DRAWING: Figure 1

    【課題】外光による画像照射部の温度上昇を効果的に抑制するとともに、偏光サングラス等を使用した場合にも視認性を確保することが可能な画像投影装置を提供する。【解決手段】虚像を表示するための表示部に対して投影画像を投影する画像投影装置(100)であって、画像光を照射する画像照射部(11)と、表示部を介して画像光を投影画像として視点方向に照射する照射光学部(20)と、を備え、照射光学部(20)は、画像光の所定の偏光方向の光を透過する偏光部(16)を備え、照射光学部(20)から照射される画像光は、表示部に対するP偏光を含んでいる画像投影装置(100)。【選択図】図1


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    IMAGE PROJECTION DEVICE


    Weitere Titelangaben:

    画像投影装置


    Beteiligte:

    Erscheinungsdatum :

    2023-09-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS



    IMAGE PROJECTION DEVICE, IMAGE PROJECTION METHOD, AND IMAGE PROJECTION PROGRAM

    TAKIZAWA AKIHIKO | Europäisches Patentamt | 2017

    Freier Zugriff

    IMAGE PROJECTION DEVICE, IMAGE PROJECTION METHOD, AND IMAGE PROJECTION PROGRAM

    TAKIZAWA AKIHIKO | Europäisches Patentamt | 2017

    Freier Zugriff

    IMAGE PROJECTION DEVICE AND IMAGE PROJECTION METHOD

    OHASHI YOSUKE | Europäisches Patentamt | 2023

    Freier Zugriff

    IMAGE PROJECTION DEVICE AND IMAGE PROJECTION METHOD

    SUGAWARA KAZUHIRO / TSUDA TOSHIAKI / OHASHI YOSUKE et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    IMAGE PROJECTION DEVICE AND IMAGE PROJECTION METHOD

    KUNII YASUHIKO / SHIMIZU TAKUYA / NAKAMURA HIROYUKI et al. | Europäisches Patentamt | 2020

    Freier Zugriff